Home / 11,520.73-17,285.26-4,025.40

Finding the Fourth Proportional to 11,520.73, 17,285.26 and 4,025.40

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Solution

The fourth proportional to 11,520.73, 17,285.26 and 4,025.40 is: 6,039.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520.73 : 17,285.26 = 4,025.40 : x
  2. Step 2: Convert to fraction form
    11,520.73/17,285.26 = 4,025.40/x
  3. Step 3: Cross multiply
    11,520.73x = 17,285.26 × 4,025.40
  4. Step 4: Simplify right side
    11,520.73x = 69,580,085.60
  5. Step 5: Solve for x
    x = 69,580,085.60/11,520.73
  6. Step 6: Final answer
    x = 6,039.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.